Home / 191,464.56-287,374.16-96,761.40

Finding the Fourth Proportional to 191,464.56, 287,374.16 and 96,761.40

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Solution

The fourth proportional to 191,464.56, 287,374.16 and 96,761.40 is: 145,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,464.56 : 287,374.16 = 96,761.40 : x
  2. Step 2: Convert to fraction form
    191,464.56/287,374.16 = 96,761.40/x
  3. Step 3: Cross multiply
    191,464.56x = 287,374.16 × 96,761.40
  4. Step 4: Simplify right side
    191,464.56x = 27,806,726,045.42
  5. Step 5: Solve for x
    x = 27,806,726,045.42/191,464.56
  6. Step 6: Final answer
    x = 145,231.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.